:root {
            --qdmij8-primary: #3D5AFE;
            --qdmij8-secondary: #00E5FF;
            --qdmij8-dark: #0B0E14;
            --qdmij8-bg: #FFFFFF;
            --qdmij8-text: #1F2937;
            --qdmij8-gray: #F3F4F6;
            --qdmij8-border: #E5E7EB;
            --qdmij8-accent-soft: rgba(61, 90, 254, 0.05);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            color: var(--qdmij8-text);
            background-color: var(--qdmij8-bg);
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .qdmij8-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--qdmij8-border);
        }

        .qdmij8-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .qdmij8-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .qdmij8-logo img {
            height: 32px;
            width: auto;
            border-radius: 4px;
        }

        .qdmij8-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
        }

        .qdmij8-nav-menu li {
            min-width: 0;
        }

        .qdmij8-nav-menu a {
            text-decoration: none;
            color: var(--qdmij8-text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            transition: color 0.3s;
            white-space: nowrap;
        }

        .qdmij8-nav-menu a:hover {
            color: var(--qdmij8-primary);
        }

        .qdmij8-nav-menu a.qdmij8-active {
            color: var(--qdmij8-primary);
            border-bottom: 2px solid var(--qdmij8-primary);
        }

        /* 容器 */
        .qdmij8-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Hero 区块 - 独特非对称布局 */
        .qdmij8-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at top right, var(--qdmij8-accent-soft), transparent);
            position: relative;
        }

        .qdmij8-hero-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .qdmij8-hero-content {
            flex: 1;
            min-width: 300px;
        }

        .qdmij8-hero-title {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--qdmij8-dark);
            letter-spacing: -0.02em;
        }

        .qdmij8-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.25rem);
            color: #6B7280;
            margin-bottom: 40px;
            max-width: 600px;
        }

        .qdmij8-status-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: #EEF2FF;
            color: var(--qdmij8-primary);
            border-radius: 99px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        /* 诊断卡片 */
        .qdmij8-diagnosis {
            padding: 64px 0;
        }

        .qdmij8-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }

        .qdmij8-card {
            background: #FFFFFF;
            border: 1px solid var(--qdmij8-border);
            border-radius: 16px;
            padding: 32px;
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
            overflow: hidden;
            word-break: break-word;
        }

        .qdmij8-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            border-color: var(--qdmij8-primary);
        }

        .qdmij8-card-icon {
            font-size: 24px;
            margin-bottom: 20px;
            display: inline-block;
            color: var(--qdmij8-primary);
        }

        .qdmij8-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--qdmij8-dark);
        }

        .qdmij8-card p {
            font-size: 15px;
            color: #4B5563;
            margin-bottom: 20px;
        }

        .qdmij8-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .qdmij8-tag {
            font-size: 12px;
            padding: 4px 10px;
            background: var(--qdmij8-gray);
            border-radius: 4px;
            color: #6B7280;
        }

        /* 深度解决流程 - 非对称布局 */
        .qdmij8-solution-section {
            padding: 96px 0;
            background-color: #FAFBFC;
        }

        .qdmij8-solution-item {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            margin-bottom: 120px;
            align-items: center;
        }

        .qdmij8-solution-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .qdmij8-solution-text {
            flex: 1;
            min-width: 300px;
        }

        .qdmij8-solution-visual {
            flex: 1;
            min-width: 300px;
            background: var(--qdmij8-dark);
            border-radius: 24px;
            padding: 32px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            font-family: 'Courier New', Courier, monospace;
            color: #A5B4FC;
            position: relative;
        }

        .qdmij8-solution-visual::before {
            content: "SYSTEM LOG";
            position: absolute;
            top: 12px;
            left: 32px;
            font-size: 10px;
            opacity: 0.5;
            letter-spacing: 2px;
        }

        .qdmij8-step-number {
            font-size: 14px;
            font-weight: 700;
            color: var(--qdmij8-primary);
            text-transform: uppercase;
            margin-bottom: 16px;
            display: block;
        }

        .qdmij8-solution-h2 {
            font-size: 32px;
            margin-bottom: 24px;
            color: var(--qdmij8-dark);
            line-height: 1.2;
        }

        .qdmij8-code-block {
            background: rgba(0, 0, 0, 0.3);
            padding: 16px;
            border-radius: 8px;
            margin: 16px 0;
            font-size: 13px;
            border-left: 3px solid var(--qdmij8-secondary);
        }

        /* 动态更新区块 */
        .qdmij8-news-section {
            padding: 80px 0;
            background: #FFFFFF;
        }

        .qdmij8-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        /* 页脚 */
        .qdmij8-footer {
            background: var(--qdmij8-dark);
            color: #9CA3AF;
            padding: 80px 0 40px;
        }

        .qdmij8-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .qdmij8-footer-brand h2 {
            color: #FFFFFF;
            margin-bottom: 24px;
            font-size: 24px;
        }

        .qdmij8-footer-links h4 {
            color: #FFFFFF;
            margin-bottom: 20px;
            font-size: 16px;
        }

        .qdmij8-footer-links ul {
            list-style: none;
        }

        .qdmij8-footer-links li {
            margin-bottom: 12px;
        }

        .qdmij8-footer-links a {
            color: #9CA3AF;
            text-decoration: none;
            transition: color 0.3s;
        }

        .qdmij8-footer-links a:hover {
            color: #FFFFFF;
        }

        .qdmij8-copyright {
            padding-top: 40px;
            border-top: 1px solid #1F2937;
            text-align: center;
            font-size: 14px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .qdmij8-nav-menu {
                display: none; /* 简化移动端，实际开发中可添加汉堡菜单 */
            }
            .qdmij8-hero {
                padding: 120px 0 64px;
            }
            .qdmij8-solution-item {
                gap: 32px;
                margin-bottom: 64px;
            }
            .qdmij8-solution-h2 {
                font-size: 24px;
            }
        }